Table 3.

Performance of ultrasound and clinical-laboratory examination according to the final diagnosis of surgical pathology

	Sensitivity [95% CI]	Specificity [95% CI]	PPV [95% CI]	NPV [95% CI]	Youden	Accuracy * [95% CI]
Ultrasounds	0.93 [0.87, 0.99]	0.87 [0.79, 0.93]	0.81 [0.72, 0.90]	0.95 [0.91, 0.99]	0.80	0.89 [0.84, 0.94]
Clinical-laboratory examination	0.7 [0.58, 0.81]	0.7 [0.60, 0.78]	0.59 [0.46, 0.69]	0.79 [0.7, 0.87]	0.4	0.70 [0.57, 0.82]

95% CI: confidence interval; PPV: positive predictive value; NPV: negative predictive value

* p < 0.05